/protocols/ss7/sgw/boot/src/main/java/org/mobicents/ss7/sgw/boot/Configuration.java

  1/*
  2 * JBoss, Home of Professional Open Source
  3 * Copyright 2011, Red Hat, Inc. and individual contributors
  4 * by the @authors tag. See the copyright.txt in the distribution for a
  5 * full listing of individual contributors.
  6 *
  7 * This is free software; you can redistribute it and/or modify it
  8 * under the terms of the GNU Lesser General Public License as
  9 * published by the Free Software Foundation; either version 2.1 of
 10 * the License, or (at your option) any later version.
 11 *
 12 * This software is distributed in the hope that it will be useful,
 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 15 * Lesser General Public License for more details.
 16 *
 17 * You should have received a copy of the GNU Lesser General Public
 18 * License along with this software; if not, write to the Free
 19 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 20 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 21 */
 22
 23package org.mobicents.ss7.sgw.boot;
 24
 25import java.io.ByteArrayOutputStream;
 26import java.io.File;
 27import java.io.FileInputStream;
 28import java.io.FileNotFoundException;
 29import java.io.FileOutputStream;
 30import java.io.IOException;
 31import java.net.MalformedURLException;
 32import java.net.URL;
 33
 34import org.apache.log4j.Logger;
 35/**
 36 *
 37 * @author kulikov
 38 */
 39public class Configuration {
 40
 41    private final static String HEADER = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n " +
 42            "<deployment xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" "  +
 43	"xsi:schemaLocation=\"urn:jboss:bean-deployer:2.0 bean-deployer_2_0.xsd\" " +
 44	"xmlns=\"urn:jboss:bean-deployer:2.0\">\n";
 45    
 46    private final static String FOOTER = "</deployment>";
 47    
 48    private File file;
 49    private File directory;
 50    
 51    private boolean isDirectory;
 52    private long lastModified;
 53    
 54    private Logger logger = Logger.getLogger(Configuration.class);
 55    
 56    public Configuration(String s, File directory) {
 57        this.directory = directory;
 58    }
 59    
 60    public String getBeans() throws IOException {
 61        String config = "";
 62        File[] files = directory.listFiles();
 63        for (File file : files) {
 64            if (!file.isDirectory()) {
 65                logger.info("Configuring " + file);
 66                String description = read(file);
 67                
 68                int p1 = description.indexOf("<xml");
 69                int p2 = description.indexOf('>', p1);
 70                
 71                description = description.substring(p2 + 1);
 72
 73                p1 = description.indexOf("<deployment");
 74                p2 = description.indexOf('>', p1);
 75                
 76                description = description.substring(p2 + 1);
 77                
 78                description = description.replaceFirst("</deployment>", "");
 79                config += "\n" + description;
 80            } else {
 81                logger.info("Reading directory " + file);
 82                Configuration conf = new Configuration("",file);
 83                config += conf.getBeans();
 84            }
 85        }                
 86        return config;
 87    }
 88    
 89    public URL getConfig() throws IOException {
 90        String s = HEADER + getBeans() + FOOTER;
 91        
 92        //creating temp dir on one level top
 93        File tempDir = new File(directory.getParent() + File.separator + "temp");
 94        tempDir.mkdir();
 95        
 96        //creating aggegated deployement descriptor
 97        String temp = tempDir.getPath() + File.separator + "deployment-beans.xml";
 98
 99        //write descriptor
100        FileOutputStream fout = new FileOutputStream(temp, false);
101        fout.write(s.getBytes());
102        fout.flush();
103        fout.close();
104        
105        File deployment = new File(temp);
106        return deployment.toURI().toURL();
107    }
108    
109    private String read(File file) throws IOException {
110        //create local buffer
111        ByteArrayOutputStream bout = new ByteArrayOutputStream();
112        
113        //opening file
114        FileInputStream fin = null;        
115        try {
116            fin = new FileInputStream(file);
117        } catch (FileNotFoundException e) {
118        }
119        
120        //fetching data from file to local buffer
121        try {
122            int b = -1;
123            while ((b = fin.read()) != -1) {
124                bout.write(b);
125            }
126        } finally {
127            fin.close();
128        }
129        
130        //creating string
131        return new String(bout.toByteArray());
132    }
133    
134    public Configuration(File file) {
135        this.file = file;
136        this.isDirectory = file.isDirectory();
137        this.lastModified = file.lastModified();
138    }
139    
140    public boolean isDirectory() {
141        return this.isDirectory;
142    }
143    
144    public URL getURL() {
145        try {
146            return file.toURI().toURL();
147        } catch (MalformedURLException e) {
148            return null;
149        }
150    }
151    
152    public long lastModified() {
153        return lastModified;
154    }
155    
156    public void update(long lastModified) {
157        this.lastModified = lastModified;
158    }
159}